09-29-2017 11:54 PM - edited 09-30-2017 05:26 AM
Thinkpad X1 Yoga 2nd, tablet mode, awake from sleep, screen flashes white and accompanied by a buzzer alarm.
The windows OS would not show anything alarm and could do anything, but the screen...
In this condition, shutdown computer would fail and the progress bar will endless progressing.
but, if you Turn the computer back into the notebook mode, everything will return to normal...
i7 7600 cpu
pls pls pls help...